In the GNU C Library (aka glibc or libc6) through 2.29, proceed_next_node in posix/regexec.c has a heap-based buffer over-read via an attempted case-insensitive regular-expression match.
Fix
Patch, vendor advisory and mitigation references on NVD 8
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34140 Exploit, Mailing List, Vendor Advisory
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34142 Exploit, Mailing List, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20190315-0002/ Patch, Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=24114 Issue Tracking, Patch, Third Party Advisory
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34140 Exploit, Mailing List, Vendor Advisory
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34142 Exploit, Mailing List, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20190315-0002/ Patch, Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=24114 Issue Tracking, Patch, Third Party Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 9.8 · gnu, netapp, mcafeeNVD modified 2026-10-14 07:16
Affected (CPE criteria) 8
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*cpe:2.3:a:netapp:cloud_backup:*:*:*:*:*:*:*:*cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
References 23
- http://www.securityfocus.com/bid/107160 Broken Link
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34140 Exploit, Mailing List, Vendor Advisory
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34142 Exploit, Mailing List, Vendor Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10278 Third Party Advisory
- https://security.gentoo.org/glsa/202006-04 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190315-0002/ Patch, Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=24114 Issue Tracking, Patch, Third Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commit%3Bh=583dd860d5b833037175247230a328f0050dbfe9
- https://support.f5.com/csp/article/K54823184 Third Party Advisory
- https://usn.ubuntu.com/4416-1/ Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.html Not Applicable
- http://www.securityfocus.com/bid/107160 Broken Link
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34140 Exploit, Mailing List, Vendor Advisory
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34142 Exploit, Mailing List, Vendor Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10278 Third Party Advisory
- https://security.gentoo.org/glsa/202006-04 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190315-0002/ Patch, Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=24114 Issue Tracking, Patch, Third Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commit%3Bh=583dd860d5b833037175247230a328f0050dbfe9
- https://support.f5.com/csp/article/K54823184 Third Party Advisory
- https://usn.ubuntu.com/4416-1/ Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.html Not Applicable
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html